Patents by Inventor Robert D. Sullivan

Robert D. Sullivan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multi-partitioned thin-walled container
    Patent number: 3972737
    Abstract: A container produced in a mold assembly comprising a cavity member and a core member having depending core segments where the free ends of such core members are stabilized during molding by means of locking members within such core members and engagable with the cavity member so as to produce partitions and walls for the containers of uniform thickness and spacing.
    Type: Grant
    Filed: November 25, 1974
    Date of Patent: August 3, 1976
    Assignee: The Richardson Company
    Inventors: Robert D. Sullivan, Gottfried W. Jutte